[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v2] tools/libs/ctrl: fix dumping of ballooned guest
On Wed, Nov 11, 2020 at 11:01:43AM +0100, Juergen Gross wrote: > A guest with memory < maxmem often can't be dumped via xl dump-core > without an error message today: > > xc: info: exceeded nr_pages (262144) losing pages > > In case the last page of the guest isn't allocated the loop in > xc_domain_dumpcore_via_callback() will always spit out this message, > as the number of already dumped pages is tested before the next page > is checked to be valid. > > The guest's p2m_size might be lower than expected, so this should be > tested in order to avoid reading past the end of it. > > The guest might use high bits in p2m entries to flag special cases like > foreign mappings. Entries with an MFN larger than the highest MFN of > the host should be skipped. > > Signed-off-by: Juergen Gross <jgross@xxxxxxxx> Acked + applied.
|
![]() |
Lists.xenproject.org is hosted with RackSpace, monitoring our |